lumiculelight does the math

What breaks

The cost of late discovery

vc-toolchainsAFTER TAPEOUTPICPhotonic layoutGDS · S-paramslayer mapEICDriver ASICSPICE · GDSdevice modelsFPGAFirmwareRTL · SDCbitstreamPCBCarrier boardschematic · netlistBOMCHIPLETChiplet assemblyCDXML · 3Dbloxbump mapLEGENDhanded over by handdiscovered after tapeout
Five formats, handoffs by hand — and the result that invalidates another domain's work arrives after tapeout.
  • Thermal, optical and electrical constraints collide in the last week.
  • After tapeout, a fix is a new mask set.